/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package controller;

import dao.ChiTietMuaNgayDAO;
import dao.SanPhamDAO;
import dao.ThongTinTaiKhoanDAO;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import net.tanesha.recaptcha.ReCaptchaImpl;
import net.tanesha.recaptcha.ReCaptchaResponse;
import pojo.Sanpham;
import pojo.Taikhoan;
import pojo.Thongtintaikhoan;

/**
 *
 * @author Ngoc Linh
 */
@WebServlet(name = "buynow", urlPatterns = {"/buynow.do"})
public class buynow extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            int masp = 0;
            String url = "";

            if (request.getParameter("masp") == null) {
                response.sendRedirect("index.do");
                return;
            }

            masp = Integer.parseInt(request.getParameter("masp"));

            HttpSession session = request.getSession();
            if (session.getAttribute("taiKhoan") == null) {
                session.setAttribute("returnPage", request.getRequestURL().toString() + "?" + request.getQueryString());
                url = "login.do";
            } else {

                //Lay du lieu:
                Sanpham sanpham = SanPhamDAO.LayChiTietSanPham(masp);
                Taikhoan taikhoan = (Taikhoan) session.getAttribute("taiKhoan");
                Thongtintaikhoan thongtinTK = ThongTinTaiKhoanDAO.LayThongTinNguoiDung(taikhoan.getMaTaiKhoan());

                //Luu tru
                if (request.getParameter("datmua") != null) {
                    //Xét captcha:
                    String remoteAddr = request.getRemoteAddr();
                    ReCaptchaImpl reCaptcha = new ReCaptchaImpl();
                    reCaptcha.setPrivateKey("6LerlcgSAAAAAKtqZ-i0pyUjyydapnlv2emH1UBD");

                    String challenge = request.getParameter("recaptcha_challenge_field");
                    String uresponse = request.getParameter("recaptcha_response_field");
                    ReCaptchaResponse reCaptchaResponse = reCaptcha.checkAnswer(remoteAddr, challenge, uresponse);

                    if (reCaptchaResponse.isValid()) {
                        //Thêm đơn hàng:
                        boolean bDone = ChiTietMuaNgayDAO.ThemMuaNgay(sanpham, taikhoan);

                        if (bDone) {
                            request.setAttribute("sucMessage", "Yêu cầu mua ngay sản phẩm đã được ghi nhận thành công ! Xin cám ơn quý khách ...");
                        } else {
                            request.setAttribute("errMessage", "Yêu cầu mua ngay sản phẩm không được ghi nhận thành công ! ");
                        }
                    } else {
                        request.setAttribute("errorCaptcha", "Mã xác nhận không hợp lệ ! ");
                    }
                }

                request.setAttribute("sanpham", sanpham);
                request.setAttribute("thongtinTK", thongtinTK);

                url = "buynow.jsp";
            }

            RequestDispatcher rd = request.getRequestDispatcher(url);
            rd.forward(request, response);
        } catch (Exception ex) {
            response.sendRedirect("errorpage.do");
        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
